We're recapping social platform updates that turn ads into conversations, search into chat, and quietly reshape where content actually lives.

• Instagram launches Instants, an app to rival Snachat.
• TikTok now lets creators suggest relevant keywords for clips.
• YouTube tests comprehensive AI responses to search queries.
• Snapchat announces AI Sponsored Snaps, allowing brands to reach users in chat through AI agents.
• LinkedIn finally allows off‑platform Event Ads.